#include <iostream>
#include <gtest/gtest.h>
using namespace std;
TEST(test, test1)
{
    int age = 18;
    EXPECT_EQ(age, 18);
    cout << "OK" << endl;
}
TEST(test, test2)
{
    int age = 18;
    EXPECT_LT(age, 20);
    cout << "OK" << endl;
}
TEST(test, test3)
{
    int age = 18;
    EXPECT_GT(age, 20);
    cout << "OK" << endl;
}
int main(int argc, char *argv[])
{
    testing::InitGoogleTest(&argc, argv);
    return RUN_ALL_TESTS();
}